/**
 * (C) Copyright IBM Corp. 2010, 2015
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */


package com.ibm.bi.dml.runtime.matrix.data;

import org.apache.hadoop.io.Writable;

public interface Converter<K1 extends Writable, V1 extends Writable, 
K2 extends Writable, V2 extends Writable> 
{
	public void convert(K1 k1, V1 v1);
	public void setBlockSize(int rl, int cl);
	public boolean hasNext();
	public Pair<K2, V2> next();
}
